not sure why you are having trouble joining. but we use element. the biggest thing with the gustav is that it was meant to just be a flowthrough version of the ratte with a little added length. it won’t be as quiet as them on a similar weapon, but it won’t produce nearly as much gas. testing has yielded results consistent with these design principles. sorry to OP to hijack the thread by the way.
not sure why you are having trouble joining. but we use element. the biggest thing with the gustav is that it was meant to just be a flowthrough version of the ratte with a little added length. it won’t be as quiet as them on a similar weapon, but it won’t produce nearly as much gas. testing has yielded results consistent with these design principles. sorry to OP to hijack the thread by the way.